EFENSE NUCLEAR AGENCY WASHINGTON, OC. @ 20305 400140 MEMORANDUM FOR: SUBJECT: THE ASSISTANT SECRETARY OF DEFENSE (International Security Affairs) Planning for DOD Efforts to Return Eniwetok to TIPI > 1. Reference is made to-your memorandum, 17 July 1972, subject as above, which requested this agency to initiate planning to develop the scope of work and resources required to clean up Eniwetok ror return to the TTPI. 2. In anticipation of this assicnment, DNA participated in a joint survey of the islands with the AEC in May 1972 to determine the nature and extent of the work involved and to arrive at an order of macnitude estimate of cost. Based on information . Obtained during this survey, it was estimated that cleanup costs alone might run as much as $40 million and that Runit Island and perhaps Encgebi may be contaminated to such an extent, that it may not be economically feasible to make them safe for human use. A later estimate made by Holmes & Narver, Inc. for the AEC gave @ Similar order of magnitude cost, indicating the Cleanup to be 4 1-1/2 - 2 year job which would cost from $27 to $35 millicn with the cost of air and ocean transportation to be added anc with disposal of radioactive debris by deep ocean purial. 3. Subsequently, a joint meeting was held between AEC and DNA at Germantown, Maryland, on 17 August 1972 to jointly review the initormation available, to develop a schedule of actions to assist in our planning for this cleanup task and to develop information and recommendations in response to your memorandum. The substance of cur discussions and the conclusions reached at this meeting are contained in Enclosure l. FOR THE DIRECTOR: 1 Encl ° as _CODED t " 4 ee duo ToT) CJaf1 LAO oer H LBL. DICKEAN Major General, USAF Deputy Director (Operations and Administration) c\ A Dp 32e-he-/,Ane lng 0 Aha Hiri a N01 12b